Roller-bearing drive.



G. HABIG.

ROLLER BEARING DRIVE.

APPLIOATION FILED JUNE 1a, 1910.

1,044,379. Patei,1t edNov'.12,1912.

2 SHEETS-SHEET 1.

We/mm 4 COLUMBIA PLANOGR'APH 420., WASHINGTON, D. C.

G. HABIG. ROLLER BEARING DRIVE. APPLI ATI N FILED .nnrn 1a,'191o.

1 ,044, Patented Nov. 12,1912;

2 SHEETS-SHEET].

GEORGE l-IABIG, OF LOS ANGELES, CALIFORNIA.

ROLLER-BEARING- DRIVE. I

Specification of Letters Patent.

PatentedNov. 12, 1912.

Application filed .Tune 13, 1910. Serial No. 566,623.

To all whom 2t may concern:

Be it known that I, Gnonon HABIG, a citizen of the United States,residing at Los Angeles, in the county of Los Angeles and State ofCalifornia, have invented certain new and useful Improvements in Roller-Bearing Drives, of which the following is a specification.

This invention has reference to mechanical improvements, andparticularly to roller bearing drives adapted for use in pumps, engines,filing and cutting machines, and the like.

The drive set forth in the accompanying drawings is particularly adaptedfor filing and cutting machines and contemplates the provision of ameans whereby the stroke of the cutting or filing element may beadjusted.

A further object is to provide a means whereby friction may be greatlyreduced and the strength and accuracy of the device be increased.

With the above and other objects in view this invention consists in theconstruction, combination, and arrangement of parts, all as hereinaftermore fully described, claimed and illustrated in the accompanyingdrawings, wherein Figure 1 is a perspective view of a filing and cuttingmachine provided with the roller drive constituting the presentinvention; Fig. 2 is a side elevation of the base, partly in section;Fig. 3 is a fragmentary longitudinal section of the bearing bar showingthe bearing in elevation; Fig. 4 is an end elevation of the bearing;Fig. 5 is a detail view of the bearing bar; Fig. 6 is a fragmentaryelevation. of the driving disk; Fig. 7 is a partial transverse sectionthrough the driving disk.

The present invention resides in the provision of a base having a pairof brackets or mountings formed thereon, said mounting having journaledthereon a shaft, said shaft carrying a driven pulley, and a drivingdisk. A vertical shaft or rod reciprocates vertically in the base and isconnected to the driving disk by an adjustable roller bearing.

Referring more particularly to the drawings 10 indicates a cylindricalbase provided with the transverse outwardly extending retaining flange11 and the vertical opening 12. An o'lf-set bracket 13 is formed orsecured to one side of the base 10 and cooperates with a similar bracket14: formed on the upperend of the base 10, each of said brackets havingat their upper extremities the journal boxes 15, in which is rotatablymounted the shaft 16. A pulley 17 is mounted on the shaft 16 adjacent tothe off-set bracket 13 and transmits power to said shaft. A driving disk18 is similarly secured to the shaft- 16 adjacent to the bracket 14 andis superposed above the base 10. A passage 19 extends from the center ofthe disk radially to the periphery thereof, and is provided with thecentrally located shoulders 21, said passage being provided at its outerextremity with a shoulder 23 on which is secured by the screws 2 1 ablock 25, said block providing a removable extremity to the slotpermitting the adjustable driving block to be placed therein. Arotatable threaded shaft 22 is swiveled in the passage 19 and isprovided withthe squared head 26 which rests flush with the block 24 andis operated therefrom.

A rectangular driving block 27 is slidably mounted in the passage 19through the instrumentality of the channels or grooves 28 formed. in theoppositely disposed sides thereof which engage the shoulders or ribs 20located on each side of the passage 19. The screw 22 passes through athreaded opening 29 in the block 27 and provides a means whereby saidblock may be positioned as desired along the passage 19. This block isalso provided with a stud 30 which projects laterally therefrom, saidstud having a squared head 31 at its outer extremity, through whichextends a threaded orifice 32.

A block 33 forms the connection between the bearing bars carried by thedriving rod and is provided with a centrally disposed transverse opening3 1 which is rotatably mounted on the stud 30, said opening beingprovided with an enlarged counter-sink 35 in which is received. thewasher 36, said washer being provided with a squared opening whichreceives the faced head 31 of the stud 30. A screw is then inserted inthe opening 32 of the faced head 31 of the stud and firmly, butrotatably mounts the block 33 on the stud A vertical channel 38 isprovided at each end of the block 33 and has rotatably mounted at eachextremity thereof the rollers 39, said rollers projecting verticallyfrom the channel and being tapered toward the periphery thereof.

A vertical driving rod 40 is mounted in the opening 12 and carriesthereon the bearing plates 41 and 41 which are superposed above eachother and form in combination a grooved slot wherein the block 33reciprocates. Each of these plates comprises'a bar having centrallydisposed on the rear face thereof the eye or sleeve 42, through whichthe shaft or rod 40 extends and is rigidly secured by a set screw 43. Anoffset portion 44 in each bar forms in combination a channel 45 in whichthe block 33 reciprocates, said channel being provided with thegrooves46 to receive the rollers 43. The superposed plates 41 and 41,constituting the double bearing bar, are clamped together by means ofscrews or bolts 47, while the adjusting screws 47 permit said plates tobe properly adjusted to receive the bearing block 83 and also allow anywear caused by continued use to be taken up.

From the foregoing it will be readily seen that the stroke of the rod orshaft 40 is directly proportional to the position of the block 27 in thepassage 19. It will also be seen that the block 33 will rotate on thestud 30 and reciprocate in the passage or channel 45. A brace 48 issecured between the terminals of the bearing plates 41 and 41 andextends upwardly, and has slidable engagement with the saw or tooloperated by a rod 40. This construction insures the positive engagementbetween the saw and the material operated upon, and prevents the saw ortool from springing away from the material.

Having thus described my invention, what I claim as new and desire tosecure by United States Letters Patent is:

In combination, a roller bearing drive comprising a driven rod, abearing bar consisting of superposed plates having longitudinal groovesformed in their opposing faces, said bar being adjustably mounted on thedriven rod, a driving shaft mounted adjacent to the driven rod, a diskmounted 011 said shaft, a driving stud carried by the disk, a bearingblock arranged for movement between the plates aforesaid and having anopening therethrough to receive the stud, rollers mounted on the bearingblock contacting with the grooves of the bar plates, means for adjustingthe driving stud to regulate the length of stroke of the driven rod,clamping bolts to secure the plates aforesaid together, adjusting screwsmounted in the bar to permit relative adjustment of the plates, a deviceto be reciprocated carried by the upper extremity of the driven rod, anda brace having one end received and clamped between the plates and theother end slidably engaging the said device. In testimony whereof Iafiixmy signature in presence of two witnesses.

GEORGE HABIG. Witnesses:

J. VnENHtiYsEN, MAYBELLE E. BURKE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. Washington, D. 0.

